The article by Khatri et al1 is a contribution to the developing field of lumbar disk diagnosis. Even with the development of water-soluble contrast media in myelography, there is still an aversion on the part of the physician and especially his patient toward myelography. Therefore, the computed tomographic (CT) scan with and without contrast is finding greater use as a primary diagnostic measure for lumbar disk disease and for spinal stenosis and spinal spondylosis. This article sets out to correlate the various diagnostic measures, including electromyogram (EMG), CT scan, myelography, and the findings at surgery. In the group of patients with abnormal findings of disk disease or spinal stenosis, there was excellent correlation between CT and EMG abnormal findings and the pathologic findings at the time of surgery. The conclusion appears justified that in the presence of an abnormal CT scan and EMG a physician can make an accurate
Stein B. Lumbar Disk Diagnosis. Arch Neurol. 1984;41(6):593. doi:10.1001/archneur.1984.04210080001001
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